Collection contains materials collected by and about the John Varah Long family, his descendants, and their families. The majority the collection is from the Hance and Watson families. Material types include: photographs, negatives, scrapbooks,...

Collection includes materials which D Jesse Wagstaff used for research in his book titled International Poisonous Plants Checklist: An Evidence-Based Reference. Materials included are booklets, pamphlets, correspondence, ephemera, and other...